<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="author" content="董邦军">
    <title></title>
    <style lang="less">
        .loading .circle::after {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            content: "";
            border-radius: 50%;
            background-color: #ffe977;
            animation: enlarge 1s linear infinite;
        }

        .loading text {
            position: absolute;
            bottom: 0;
            text-align: center;
            color: #aaa;
            font-size: 24rpx;
        }

        @keyframes enlarge {
            0% {
                width: 0;
                height: 0;
            }

            100% {
                height: 60rpx;
                width: 60rpx;
            }
        }

        @keyframes enlargeversa {
            0% {
                height: 60rpx;
                width: 60rpx;
            }

            100% {
                height: 0rpx;
                width: 0rpx;
            }
        }
    </style>
</head>

<body>

</body>

</html>